21686192

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123217}}^1$

素因数の和:123236

約数の個数: 20

約数和(自身を含む): 45837096

約数和(自身を除く): 24150904

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123217, 246434, 492868, 985736, 1355387, 1971472, 2710774, 5421548, 10843096, 21686192]

約数ペア:

[(1, 21686192), (2, 10843096), (4, 5421548), (8, 2710774), (11, 1971472), (16, 1355387), (22, 985736), (44, 492868), (88, 246434), (176, 123217)]